Question

matlab 画图 z=x^2+y^2

用matlab画出z=x^2+y^2的三维图形

Answer 1

[x,y]=meshgrid(-2:0.01:2,-2:0.01:2);

z=x.^2+y.^2;

mesh(x,y,z)

shading flat

xlabel('x')

ylabel('y')

zlabel('z')